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Your lifestyle, stress levels, and daily demands all affect your energy and immunity
It can last for months
Extreme fatigue Dizziness Depression Anxiety Short-term memory problems Confusion Headaches Tinnitus (ear ringing) Sore red tongue Painful numbness Tingling in the arms and legs Constipation Diarrhea Muscle weakness Muscle spasms Difficulty walking Poor motor skills Infertility Heart palpitations Feeling out of breath Can a Vitamin B12 Injection Lead to Overdose
Obesity: identification, assessment and management
some references extend to ~16 weeks
Difficulty with Memory or Concentration Vitamin B12 deficiency may affect brain function and contribute to difficulty with memory, focus, or concentration
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